Troubleshooting - Nilfisk BA 451 Bedienungshandbuch

TROUBLESHOOTING

Trouble
The motors do not work; no warning light turns on. The battery connector is disconnected.
The machine does not move.
(Only for BA 451D and BA 531D)
The warning lights (81) fl ash simultaneously.
The brush does not work, the red warning light is
on.
The dirty water vacuuming is insuffi cient.
The solution fl ow is insuffi cient.
The squeegee leaves marks on the fl oor.
NOTE
If the machine has an optional battery charger installed, the machine cannot operate if the charger is not on board. In
case of battery charger malfunction, contact an authorised Service Center.
For further information refer to the Service Manual, available at any Nilfi sk Service Center.
BA 451 - BA 451D - BA 531 - BA 531D
Possible Cause
The batteries are completely discharged.
The machine has been turned on by using
the ignition key and by keeping the paddle
pressed.
The deck motor is overloaded.
Discharged batteries
The recovery tank is full.
The hose is disconnected from the squeegee. Connect.
The vacuum grid is clogged or the fl oat is
closing.
The squeegee is dirty, or the squeegee blades
are worn or damaged.
The tank cover is not properly closed, or the
gasket is damaged.
The solution/clean water fi lter is dirty.
The recovery tank is dirty (the drain hole is
clogged).
Dirty/encrusted EcoFlex™ system tank
(optional).
There is debris under the squeegee blades.
The squeegee blades are worn, chipped or
torn.
The squeegee is not balanced with the
handwheel.
909 6748 000(3)2010-03 A
USER MANUAL
Remedy
Connect.
Charge the batteries.
Turn the ignition key to "0", then try to start the
machine without pressing the paddle.
Use less aggressive brushes suitable for the
fl oor to be cleaned or avoid working with extra
pressure function turned on.
Charge the batteries.
Empty the tank.
Clean the grid or check the fl oat.
Clean and check the squeegee.
Close the cover properly or replace the
gasket.
Clean the fi lter.
Clean.
Drain.
Remove the debris.
Replace the blades.
Adjust.
ENGLISH
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